code: def test_close_file(self):
      samplerate = 44100
      sink_path = get_tmp_sink_path()
      g = sink(sink_path, samplerate)
      g.close()
      del_tmp_sink_path(sink_path)
  
file_path: aubio/python/tests/test_sink.py
imports: from numpy.testing import TestCase
  from aubio import fvec, source, sink
  from utils import list_all_sounds, get_tmp_sink_path, del_tmp_sink_path
  from utils import parse_file_samplerate
  from _tools import parametrize, skipTest, assert_raises, assert_warns
label_desc: Use image node_id 9 for calling the Test_aubio_sink obj's underlying member method code with example usage: obj.test_close_file() without return types